The GGPMOS diode vs. the GGNMOS diode in ESD protection
2006年2月11日 · ggnmos Hi, In my ESD protection strategy, I used the GGNMOS diode and GGPMOS diode as my ESD protect circuit. The GGNMOS is from the pad to GND and the …
ESD resistor question - Forum for Electronics
2005年7月20日 · - prcken is talking about a resistance between gate and source that designers typically use to reduce the Vt1 trigger voltage of a ggNMOS ESD protection. - The rest of the …
Why PMOS(PNP) is stronger than NMOS(NPN) for ESD protection?
2004年4月20日 · snapback voltage npn -ieee -patent hi, I am confused about ESD ability between PMOS(PNP) and NMOS(NPN). Why PMOS(PNP) is stronger than NMOS(NPN) for ESD …
ESD CDM protection principle - Forum for Electronics
2015年2月17日 · I can understand the principle of GGNMOS, SCR and Diode in this case. However, when the substrate is charged positively, the CDM waveform flows from inner circuit …
why ggNMOS used for ESD doesn't break down under stress
2009年2月25日 · Since ggnmos is connected to ground, it is "off" in the normal mode of operation. But during esd event on drain side (to the net it is protecting) the parasitic BJT in the nmos …
vcc vss esd protection circuit - Forum for Electronics
2006年2月10日 · A paper from IBM showed that from 90nm on it is possible that the ggNMOS cannot even protect its own gate oxide anymore during ESD stress. New proprietary solutions …
ESD Power Supply Clamp question | Forum for Electronics
2010年12月20日 · Of course, you can use ggNMOS for ESD clamp. Instead of connecting its gate to ground directly, it is more popular to connect the gate to ground thru a resistor (for example, …
What are the advantages of zener diode for TVS ciruit comparing …
2012年2月16日 · I am researing about the devices for TVS(Transient Voltage Suppression) circuit. As I know, GGNMOS is better than zener diode for ESD protection in view of layout …
gate coupled NMOS as power clamp??? - Forum for Electronics
2006年11月1日 · gcnmos Hello, I have a question about gate-coupled NMOS for ESD protection. Usually the GCNMOS is used as power clamp between VDD to VSS. P+ poly resistor and …
Question about ESD issues concerning the GGNMOS
2007年8月4日 · Hai freinds, i having douts on GGNMOS, why they are making the ggnmos equal to 400u width and making the pmos and nmos driver circuit near to 700u, can any one guide …